Home / 112,447.37-168,534.64-82,588.32

Finding the Fourth Proportional to 112,447.37, 168,534.64 and 82,588.32

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Solution

The fourth proportional to 112,447.37, 168,534.64 and 82,588.32 is: 123,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,447.37 : 168,534.64 = 82,588.32 : x
  2. Step 2: Convert to fraction form
    112,447.37/168,534.64 = 82,588.32/x
  3. Step 3: Cross multiply
    112,447.37x = 168,534.64 × 82,588.32
  4. Step 4: Simplify right side
    112,447.37x = 13,918,992,779.40
  5. Step 5: Solve for x
    x = 13,918,992,779.40/112,447.37
  6. Step 6: Final answer
    x = 123,782.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.